/**
 * Copyright (C) 2011 Moss Computing <support@mosscomputing.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.oslef.format;

import java.util.Map;
import java.util.Set;

/**
 * Describes a 'row' of string values, each having a unique columns name.
 * Essentially a map (and implemented as such). Why is this not simply a map?
 * Mainly because there was no sense in depending on full {@link Map} 
 * functionality in the code when it wasn't needed. Also its easier to type
 * than 
 *     
 *     Map<String,String> record = new Map<String,String>(); 
 *     
 * and it has a name that explains what its meant to be.
 */
public interface Record {

	boolean has(String columnName);
	
	String put(String k, String v);
	
	Set<String> keys();

	String get(String columnName);
	
	String del(String k);
}
